公开(公告)号：US07821908B2

公开(公告)日：2010-10-26

申请号：US11289303

申请日：2005-11-30

申请人： Toshihiro Sugaya ,  Hisashi Yamada ,  Masato Otsuka

发明人： Toshihiro Sugaya ,  Hisashi Yamada ,  Masato Otsuka

IPC分类号： G11B7/24 ,  G11B7/20 ,  G11B11/00

CPC分类号： G11B19/127 ,  G11B7/00736 ,  G11B7/24038 ,  G11B2007/0013

摘要： A single disc is configured to deal with both HD DVD information and DVD information. This invention has the following basic elements (1) a single-sided dual layer optical disc where a light transmission layer, a first recording layer accessed with a first laser beam, an space layer, and a second recording layer accessed with a second laser beam are arranged in that order in the direction in which a laser beam enters, (2) the areal recoding density of the second recording layer is three times or more that of the first recording layer, (3) information indicating that the second recording layer has been formed is formed in the first recording layer, and (4) information indicating that the first recording layer has been formed is formed in the second recording layer.

摘要翻译： 单个光盘被配置为处理HD DVD信息和DVD信息。 本发明具有以下基本要素（1）单面双层光盘，其中光传输层，第一激光束访问的第一记录层，空间层和第二激光束访问的第二记录层 按照激光入射方向的顺序排列，（2）第二记录层的面编码密度是第一记录层的三倍以上，（3）表示第二记录层的信息 形成在第一记录层中，和（4）表示形成第一记录层的信息形成在第二记录层中。

公开(公告)号：US20070042294A1

公开(公告)日：2007-02-22

申请号：US11504580

申请日：2006-08-16

申请人： Toshihiro Sugaya ,  Masato Otsuka ,  Naomasa Nakamura ,  Nobuhisa Yoshida ,  Hisashi Yamada

发明人： Toshihiro Sugaya ,  Masato Otsuka ,  Naomasa Nakamura ,  Nobuhisa Yoshida ,  Hisashi Yamada

IPC分类号： G11B7/24 ,  G11B3/70 ,  G11B7/00

CPC分类号： G11B7/26 ,  G11B7/00736 ,  G11B7/24038 ,  G11B19/127 ,  G11B19/128 ,  G11B19/16 ,  G11B2007/0013

摘要： According to one embodiment, an optical disc is the following the distance between a light incidence plane and the first recording layer is a minimum of 550 μm. The distance between the first and the third recording layer is a maximum of 72 μm. The distance between the second and the third recording layer is a minimum of 15 μm. The distance between the first and the second recording layer is about 31 to 40 μm. The reflectivities of the first and the second recording layer with respect to the first laser beam range from 18 to 27%, and the ratio therebetween is about 1.1 or less. The reflectivity of the third recording layer is below about 6%. The areal recording density of the third recording layer is three times or more as high as that of the first recording layer and the second recording layer.

摘要翻译： 根据一个实施例，光盘之后，光入射平面与第一记录层之间的距离最小为550μm。 第一和第三记录层之间的距离最大为72μm。 第二和第三记录层之间的距离最小为15μm。 第一和第二记录层之间的距离约为31至40μm。 第一记录层和第二记录层相对于第一激光束的反射率为18〜27％，其比例为约1.1以下。 第三记录层的反射率低于约6％。 第三记录层的面积记录密度是第一记录层和第二记录层的面积记录密度的三倍以上。

公开(公告)号：US07652967B2

公开(公告)日：2010-01-26

申请号：US11504613

申请日：2006-08-16

申请人： Toshihiro Sugaya ,  Masato Otsuka

发明人： Toshihiro Sugaya ,  Masato Otsuka

IPC分类号： G11B3/74

CPC分类号： G11B7/24038 ,  G11B7/1275 ,  G11B2007/0006 ,  G11B2220/235

摘要： An optical disc is based on the following the distance of the light transmission layer from a light incidence plane to the first recording layer is a minimum of 550 μm. The distance between the first and the third recording layer is a maximum of 72 μm. The distance between the second and the third recording layer is a minimum of 15 μm. The distance between the first and the second recording layer is about 31 to 40 μm. The reflectivities of the first and the second recording layer with respect to the first laser beam are 18% or more, and the ratio between the reflectivities is about 1.15 or less. The areal recording density of the third recording layer is three times or more as high as the areal recording density of the first and the second recording layer.

摘要翻译： 光盘基于以下，光透射层从光入射面到第一记录层的距离最小为550μm。 第一和第三记录层之间的距离最大为72μm。 第二和第三记录层之间的距离最小为15μm。 第一和第二记录层之间的距离约为31至40μm。 第一和第二记录层相对于第一激光束的反射率为18％以上，反射率之比约为1.15以下。 第三记录层的面积记录密度是第一和第二记录层的面积记录密度的三倍以上。

公开(公告)号：US20070076544A1

公开(公告)日：2007-04-05

申请号：US11533183

申请日：2006-09-19

申请人： Toshihiro Sugaya ,  Masato Otsuka

发明人： Toshihiro Sugaya ,  Masato Otsuka

IPC分类号： G11B7/00 ,  G11B3/70

CPC分类号： G11B7/24038

摘要： One embodiment of the present invention is based on the following (1) An optical disc has a triple layer structure in which there are a light transmission layer, a first recording layer which is accessed with a first laser beam, and a second recording layer and a third recording layer which are accessed with a second laser beam. (2) The distance of the light transmission layer from a light incidence plane to the first recording layer is a minimum of 550 μm. (3) The distance between the first recording layer and the third recording layer is a maximum of 72 μm. (4) The distance between the second recording layer and the third recording layer is a minimum of 19 μm. (5) The distance between the first recording layer and the second recording layer is about 28 to 38 μm.

摘要翻译： 本发明的一个实施例基于以下（1）光盘具有三层结构，其中存在光透射层，第一记录层由第一激光束访问，第二记录层和 第三记录层，其被第二激光束访问。 （2）透光层与光入射面到第一记录层的距离最小为550μm。 （3）第一记录层和第三记录层之间的距离最大为72μm。 （4）第二记录层与第三记录层之间的距离最小为19μm。 （5）第一记录层与第二记录层之间的距离约为28至38μm。

公开(公告)号：US20060114808A1

公开(公告)日：2006-06-01

申请号：US11289303

申请日：2005-11-30

申请人： Toshihiro Sugaya ,  Hisashi Yamada ,  Masato Otsuka

发明人： Toshihiro Sugaya ,  Hisashi Yamada ,  Masato Otsuka

IPC分类号： G11B7/24

CPC分类号： G11B19/127 ,  G11B7/00736 ,  G11B7/24038 ,  G11B2007/0013

摘要： A single disc is configured to deal with both HD DVD information and DVD information. This invention has the following basic elements (1) a single-sided dual layer optical disc where a light transmission layer, a first recording layer accessed with a first laser beam, an space layer, and a second recording layer accessed with a second laser beam are arranged in that order in the direction in which a laser beam enters, (2) the areal recoding density of the second recording layer is three times or more that of the first recording layer, (3) information indicating that the second recording layer has been formed is formed in the first recording layer, and (4) information indicating that the first recording layer has been formed is formed in the second recording layer.

摘要翻译： 单个光盘被配置为处理HD DVD信息和DVD信息。 本发明具有以下基本要素（1）单面双层光盘，其中光传输层，第一激光束访问的第一记录层，空间层和第二激光束访问的第二记录层 按照激光入射方向的顺序排列，（2）第二记录层的面编码密度是第一记录层的三倍以上，（3）表示第二记录层的信息 形成在第一记录层中，和（4）表示形成第一记录层的信息形成在第二记录层中。

公开(公告)号：US07570566B2

公开(公告)日：2009-08-04

申请号：US11504580

申请日：2006-08-16

申请人： Toshihiro Sugaya ,  Masato Otsuka ,  Naomasa Nakamura ,  Nobuhisa Yoshida ,  Hisashi Yamada

发明人： Toshihiro Sugaya ,  Masato Otsuka ,  Naomasa Nakamura ,  Nobuhisa Yoshida ,  Hisashi Yamada

IPC分类号： G11B3/74

CPC分类号： G11B7/26 ,  G11B7/00736 ,  G11B7/24038 ,  G11B19/127 ,  G11B19/128 ,  G11B19/16 ,  G11B2007/0013

摘要： According to one embodiment, an optical disc is the following the distance between a light incidence plane and the first recording layer is a minimum of 550 μm. The distance between the first and the third recording layer is a maximum of 72 μm. The distance between the second and the third recording layer is a minimum of 15 μm. The distance between the first and the second recording layer is about 31 to 40 μm. The reflectivities of the first and the second recording layer with respect to the first laser beam range from 18 to 27%, and the ratio therebetween is about 1.1 or less. The reflectivity of the third recording layer is below about 6%. The areal recording density of the third recording layer is three times or more as high as that of the first recording layer and the second recording layer.

摘要翻译： 根据一个实施例，光盘之后，光入射平面与第一记录层之间的距离最小为550μm。 第一和第三记录层之间的距离最大为72μm。 第二和第三记录层之间的距离最小为15μm。 第一和第二记录层之间的距离约为31至40μm。 第一记录层和第二记录层相对于第一激光束的反射率为18〜27％，其比例为约1.1以下。 第三记录层的反射率低于约6％。 第三记录层的面积记录密度是第一记录层和第二记录层的面积记录密度的三倍以上。

公开(公告)号：US20070041295A1

公开(公告)日：2007-02-22

申请号：US11504613

申请日：2006-08-16

申请人： Toshihiro Sugaya ,  Masato Otsuka

发明人： Toshihiro Sugaya ,  Masato Otsuka

IPC分类号： G11B27/22 ,  G11B3/70

CPC分类号： G11B7/24038 ,  G11B7/1275 ,  G11B2007/0006 ,  G11B2220/235

摘要： An optical disc is based on the following the distance of the light transmission layer from a light incidence plane to the first recording layer is a minimum of 550 μm. The distance between the first and the third recording layer is a maximum of 72 μm. The distance between the second and the third recording layer is a minimum of 15 μm. The distance between the first and the second recording layer is about 31 to 40 μm. The reflectivities of the first and the second recording layer with respect to the first laser beam are 18% or more, and the ratio between the reflectivities is about 1.15 or less. The areal recording density of the third recording layer is three times or more as high as the areal recording density of the first and the second recording layer.

摘要翻译： 光盘基于以下，光透射层从光入射面到第一记录层的距离最小为550μm。 第一和第三记录层之间的距离最大为72μm。 第二和第三记录层之间的距离最小为15μm。 第一和第二记录层之间的距离约为31至40μm。 第一和第二记录层相对于第一激光束的反射率为18％以上，反射率之比约为1.15以下。 第三记录层的面积记录密度是第一和第二记录层的面积记录密度的三倍以上。

公开(公告)号：US20060120258A1

公开(公告)日：2006-06-08

申请号：US11292140

申请日：2005-12-02

申请人： Toshihiro Sugaya ,  Hisashi Yamada ,  Masato Otsuka

发明人： Toshihiro Sugaya ,  Hisashi Yamada ,  Masato Otsuka

IPC分类号： G11B7/24

CPC分类号： G11B7/24038 ,  G11B7/0053 ,  G11B7/0945 ,  G11B7/1275

摘要： This invention enables a single disc to deal with HD DVD information and DVD information. An optical disc according to the present invention is basically specified by the following items (1) the optical disc is a single-sided dual layer optical disc, (2) the distance in the light transmission layer from an incidence plane to a first recording layer is 578 to (578+2p) μm (2p is the maximum value of substrate thickness accuracy), (3) the distance in the space layer between the first recording layer and a second recording layer is (62−2p−2q) to (62−2p) μm (2q is the maximum value of space layer thickness accuracy), and (4) the areal recording density of the first recording layer is three times or more as high as that of the second recording layer.

摘要翻译： 本发明使得单个盘能够处理HD DVD信息和DVD信息。 根据本发明的光盘基本上由以下项目（1）指定：光盘是单面双层光盘，（2）光透射层中从入射面到第一记录层的距离 是578〜（578 + 2p）mum（2p是基板厚度精度的最大值），（3）第一记录层与第二记录层之间的空间层的距离为（62-2p-2q）〜（ 62-2p）mum（2q是空间层厚度精度的最大值），（4）第一记录层的面积记录密度是第二记录层的面积记录密度的三倍以上。

公开(公告)号：US07688702B2

公开(公告)日：2010-03-30

申请号：US11170560

申请日：2005-06-29

申请人： Masato Otsuka ,  Toshihiro Sugaya

发明人： Masato Otsuka ,  Toshihiro Sugaya

IPC分类号： G11B7/24

CPC分类号： G11B7/24038

摘要： A single-sided dual-layer optical disc comprising an optically transparent layer; a first recording layer accessed by a first laser beam; an intermediate layer; and a second recording layer accessed by a second laser beam, wherein the optically transparent layer, the first recording layer, the intermediate layer, and the second recording layer are sequentially disposed in a laser beam incidence direction, wherein a thickness of the optically transparent layer, which is a distance from a light incident surface to the first recording layer, is 550 to 575 μm, wherein a thickness of the intermediate layer, which is a distance between the first and second recording layers, is 29 to 47 μm, and wherein a surface recording density of the second recording layer is at least 3 times that of the first recording layer.

摘要翻译： 包括光学透明层的单面双层光盘; 由第一激光束访问的第一记录层; 中间层 以及由第二激光束访问的第二记录层，其中光学透明层，第一记录层，中间层和第二记录层依次设置在激光束入射方向上，其中光学透明层的厚度 是从光入射面到第一记录层的距离为550〜575μm，其中作为第一记录层和第二记录层之间的距离的中间层的厚度为29〜47μm，其中， 第二记录层的表面记录密度为第一记录层的表面记录密度的至少3倍。

公开(公告)号：US07477592B2

公开(公告)日：2009-01-13

申请号：US11293371

申请日：2005-12-05

申请人： Toshihiro Sugaya ,  Naomasa Nakamura ,  Nobuhisa Yoshida ,  Masato Otsuka

发明人： Toshihiro Sugaya ,  Naomasa Nakamura ,  Nobuhisa Yoshida ,  Masato Otsuka

IPC分类号： G11B7/00

CPC分类号： G11B7/24038 ,  G11B2007/0006

摘要： An optical disc of this invention is configured to be capable of dealing with both information in HD DVD and information in DVD. The optical disc is basically specified by the following items (1) to (7): (1) the optical disc is a single-sided dual layer optical disc where a light transmission layer, a first recording layer accessed with a first laser beam, an space layer, and a second recording layer accessed with a second laser beam are arranged in that order in the direction in which the laser beam enters, (2) the areal recoding density of the second recording layer is three times or more as high as that of the first recording layer, (3) identifying information which indicates that the first recording layer has been formed is formed in the second recording layer, (4) the distance in the light transmission layer from the incidence plane to the first recording layer is 550 μm or more, (5) the distance in the light transmission layer from the incidence plane to the second recording layer is 622 μm or less, (6) the reflectivity of the first recording layer with respect to the first laser beam is 45% to 65%, and (7) the reflectivity of the second recording layer with respect to the second laser beam is 15% to 29%.

摘要翻译： 本发明的光盘被配置为能够处理HD DVD中的信息和DVD中的信息。 光盘基本上由以下（1）至（7）指定：（1）光盘是单面双层光盘，其中光传输层，第一激光束访问的第一记录层， 以第二激光束存取的空间层和第二记录层按照激光入射方向的顺序排列，（2）第二记录层的面记录密度是三倍以上 在第二记录层中形成第一记录层，（3）表示第一记录层的识别信息，（4）光透射层从入射面到第一记录层的距离为 550μm以上，（5）透光层从入射面到第二记录层的距离为622μm以下，（6）第一记录层相对于第一激光束的反射率为45％ 至65％ （7）第二记录层相对于第二激光束的反射率为15％〜29％。